Ferrochiavennite

ferrochiavennite

Ca₁₋₂Fe[(Si,Al,Be)₅Be₂O₁₃(OH)₂]·2H₂OChemical formula

MonoclinicCrystal system

3.0Mohs hardness

Facts

Chemical formula: Ca₁₋₂Fe[(Si,Al,Be)₅Be₂O₁₃(OH)₂]·2H₂O
Crystal system: Monoclinic
Mohs hardness: 3.0
Elements in formula: Calcium, Iron, Silicon, Aluminium, Beryllium, Oxygen, Hydrogen
Number of elements: 7
IMA status: Approved
Type locality: Tuften quarry, Kokkersvold E18 roadcuts
Named after: Iron
Colour: yellow